@Book{OL5630368M,
    title: {The return of the native.},
    author: {Thomas Hardy},
    publisher: {Cambridge Book Co.},
    year: {1968},
    place: {Bronxville, N.Y.]},
}

@Author{OL18277A,
    name: {Thomas Hardy},
    birth_date: {2 June 1840}
    , death_date: {11 January 1928}
}